package com.lst.servlet;

import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.druid.util.StringUtils;
import com.github.miemiedev.mybatis.paginator.domain.PageBounds;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.lst.base.entity.BaseRequest;
import com.lst.base.entity.BaseResponse;
import com.lst.common.CommCode;
import com.lst.entity.request.QuestionReqPara;
import com.lst.entity.response.QuestionResPara;
import com.lst.model.Answer;
import com.lst.model.Question;
import com.lst.service.AnswerService;
import com.lst.service.ClientNumService;
import com.lst.service.QuestionService;
import com.lst.utils.DateUtil;
import com.lst.utils.RequestUtils;


/**
 * @ClassName: QuestionListServlet
 * @Description: 问题列表接口
 * 
 */
public class QuestionListServlet extends BaseServlet {

	/**
	 * @Fields serialVersionUID
	 */
	private static final long serialVersionUID = 1L;

	private QuestionService questionService = ctx.getBean(QuestionService.class);
	
	private AnswerService answerService = ctx.getBean(AnswerService.class);
	
	private ClientNumService clientNumService = ctx.getBean(ClientNumService.class);
	
	@Override
	public void doGet(HttpServletRequest request, HttpServletResponse response) {
		doPost(request, response);
	}

	@Override
	public void doPost(HttpServletRequest request, HttpServletResponse response) {
		Date startDate = new Date();
		logger.info("doPost begin: " + startDate);
		QuestionResPara resPara = new QuestionResPara();
		try {
			QuestionReqPara reqPara = getReqPara(request);
		
		if(isCheckField(reqPara,resPara)){
		    Integer userid = Integer.valueOf(reqPara.getUserid());
			Integer page = Integer.valueOf(reqPara.getPage());
			Integer pagesize = Integer.valueOf(reqPara.getPagesize());			
			
			//根据时间查询问题列表
			Map<String, Object> reqMap = new HashMap<String, Object>();		
			reqMap.put("isDelete", false);
			reqMap.put("orderByClause", "md.createDate desc");

			PageBounds pageBounds = new PageBounds(page,pagesize);
		    List<Question> questionList=questionService.queryByList(reqMap, pageBounds);
		    if(questionList!=null&&questionList.size()>0){
		    	for(Question qu:questionList){
					
					Date date=qu.getCreateDate();
					SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
					String str=sdf.format(date);
					qu.setCreateDate2(DateUtil.changeTime(str));
					
					//标识是否回答过问题
					Map<String,Object> map=new HashMap<String,Object>();
					map.put("answerSourceId", qu.getQuestionId());
					map.put("answerCreateUser", userid);
					Answer answer=answerService.selectByMap(map);
					if(answer!=null){
						qu.setIsAnswer(true);
					}else{
						qu.setIsAnswer(false);
					}
					
					  //标识是否收藏
					Map<String, Object> fmap = new HashMap<String, Object>();
					fmap.put("enabled", true);
					fmap.put("isdeleted", false);
					fmap.put("clientid", userid);
					fmap.put("actid", qu.getQuestionId());
					fmap.put("acttype", CommCode.SYSTEM_CARESEL_RANGE_QUESTION);
					fmap.put("numtype", CommCode.SYSTEM_COUNT_FAVORITE);
					Integer count = clientNumService.queryCountByMap(fmap);
					if(count>0){
						qu.setIsFavorite(true);
					}else{
						qu.setIsFavorite(false);
					}
					
				}
		    }
			
			resPara.setQuestionList(questionList);
			
			resPara.setCode(CommCode.M_Y000000);
			resPara.setMessage(CommCode.M_Y000001);
		  }
		} catch (Exception e) {
			resPara.setCode(CommCode.M_A000000);
			resPara.setMessage(CommCode.M_SYS0001);

			logger.error("doPost error: ", e);
		}
		
		try {
			response.setContentType("application/json;charset=utf-8");
			response.setHeader("pragma", "no-cache");
			response.setHeader("cache-control", "no-cache");

			Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").excludeFieldsWithoutExposeAnnotation().serializeNulls().create();
			String jsonResult = gson.toJson(resPara);
			logger.info("ClientDiscussServlet jsonResult:" + jsonResult);

			PrintWriter out = response.getWriter();
			out.print(jsonResult);
			out.flush();
			out.close();

			logger.info("doPost end run(s): " + DateUtil.calLastedTime(startDate));
		} catch (Exception e) {
			resPara.setCode(CommCode.M_A000000);
			resPara.setMessage(CommCode.M_SYS0003);

			logger.error("doPost error: ", e);
		}
	}

	@Override
	public QuestionReqPara getReqPara(HttpServletRequest request) {

		QuestionReqPara reqPara = null;

		try {
			BaseRequest baseRequest = RequestUtils.getRequestPara(request, new QuestionReqPara());

			reqPara = (QuestionReqPara) baseRequest.clone();

			String userid = request.getParameter("userid");
			String page = request.getParameter("page");
			String pagesize = request.getParameter("pagesize");
			
			logger.info("reqPara userid:" + userid);
			logger.info("reqPara page: " + page);
			logger.info("reqPara pagesize: " + pagesize);
		

			reqPara.setPage(page);
			reqPara.setPagesize(pagesize);
	        reqPara.setUserid(userid);

		} catch (Exception e) {
			logger.error("getReqPara error: ", e);
		}

		return reqPara;
	}

	@Override
	public boolean isCheckField(BaseRequest reqPara, BaseResponse resPara) {
		boolean flag = false;

		QuestionReqPara cdReqPara = (QuestionReqPara) reqPara;
		BaseResponse cdResPara = (BaseResponse) resPara;

		if (StringUtils.isEmpty(cdReqPara.getPage())) {
			cdResPara.setCode(CommCode.M_A000000);
			cdResPara.setMessage(CommCode.M_P000009);
		} else if (StringUtils.isEmpty(cdReqPara.getPagesize())){
			cdResPara.setCode(CommCode.M_A000000);
			cdResPara.setMessage(CommCode.M_P000010);
		} else {
			flag = true;
		}

		return  flag;
	}

}
